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b=idWhGM/NfW0pTEDlsAa5Fzw6cTaifXusxiPSV68Fu/A5SGWRzv+Ya57tK/wwmqA77 SE22BT2MD81KtUsBZ+XmiuaEUb9UvD3Te7qciTSZIPxwHYef/ijxlLHusmVH0oasTK MnyD1BVyEIyDB9/m/nldUskLSsHbr03qjnQQeOAYsUY1yE2hTx7iXfB2xmT12qW4PL kd5gfTcxOHMNj9nmEfMHIcEkh2jqi3QfXIou2x4bSbf/lJyZvP1Dkb8ivj2NZl6pVp d0evckKD6aTR7/bX6U7NKVko3GVgYfJ6SGkGVhdOIrAZ+QVjennd1m6H+nv8z3sIt1 imXDs5Px59OrA== From: SJ Park To: Cc: SJ Park , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 02/11] samples/damon/mtier: do not stop first context for damon_start() failure Date: Sat, 4 Jul 2026 11:11:25 -0700 Message-ID: <20260704181135.132956-3-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260704181135.132956-1-sj@kernel.org> References: <20260704181135.132956-1-sj@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 10499C0002 X-Stat-Signature: i6obo7q49qc6d8y7tkp1soy7ybwj8gt7 X-Rspam-User: X-HE-Tag: 1783188705-72742 X-HE-Meta: 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 Wgbn8h8b uHSNdSChu3ipRes8u+8PBUYGbxIMxbxR3QHZko8O9puBsfpUdu5nKEm4u8uyjwPVHBMHPuPaa9SIJQIA7xsflJbzpG9jgbrWsj2POvKbNLqppRzmlb4mpMAmshUu4tL4T9+K+RepIRBu4xCaokeqf96930huxKuBMCLnHLhhQTO+bY1BagwT6DUOHK1uznTPqCuyo+XAbdiLE77/wsLA6v07moQ7CS2b2cagQT/awsVA0satxjo5cq0keN0h1djwaRV0YVREFt3vIsGNDg7fSGsg/WYRjOX4AEBy28LMpZTX1ctOGBkzPkEHNAUGtS6L072Z1TfxkwtdxtJl1gJXGF7RVF77Ew5o+z52O5kzfKI6Vqc8XhjHTP1t6DQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: damon_start() was able to fail while keeping the first context running. mtier hence stops the first context in the case. damon_start() is refactored to avoid that. The error handling is no longer necessary. Remove it. Signed-off-by: SJ Park --- samples/damon/mtier.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/samples/damon/mtier.c b/samples/damon/mtier.c index e567f4edd80ea..90881e8bd441f 100644 --- a/samples/damon/mtier.c +++ b/samples/damon/mtier.c @@ -193,8 +193,6 @@ static int damon_sample_mtier_start(void) if (!err) return 0; - if (damon_is_running(ctxs[0])) - damon_stop(ctxs, 1); damon_destroy_ctx(ctxs[0]); damon_destroy_ctx(ctxs[1]); return err; -- 2.47.3